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How to use the Georeferencer in QGIS 2.12 to rubber sheet historical maps. This tutorial demonstrates how to get a rough placement for the historical map using vector layers, and how to pin the historic map features to online basemaps with the Open Layers Plugin.

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This is a brief introduction by Kirk Goldsberry to the Warper tool hosted by Harvard University. In addition to downloading the resulting file as a GeoTIFF, it is also possible to bring you map into another system using the WMS link also available on the Export tab. During Rectification (or warping) please not that one can click on “Control Points” below the map and view the points as you are creating them. There are also advanced warping options available by clicking “Advanced Options”.

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Learn how to use the New York Public Library’s Map Warper tool to bring the past into the digital present.
This tutorial will show you how to overlay historical maps onto present day locations by georectfying, or warping maps from the NYPL collection

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Welcome….

Welcome to Transition Studies. To prosper for very much longer on the changing Earth humankind will need to move beyond its current fossil-fueled civilization toward one that is sustained on recycled materials and renewable energy. This is not a trivial shift. It will require a major transition in all aspects of our lives.
This weblog explores the transition to a sustainable future on our finite planet. It provides links to current news, key documents from government sources and non-governmental organizations, as well as video documentaries about climate change, environmental ethics and environmental justice concerns.
The links are listed here to be used in whatever manner they may be helpful in public information campaigns, course preparation, teaching, letter-writing, lectures, class presentations, policy discussions, article writing, civic or Congressional hearings and citizen action campaigns, etc. For further information on this blog see: About this weblog. and How to use this weblog.